It might not, if this is the vessel used at the Last Supper. That was a room which had been prepared for them which would have included the dishes.
Some people might anticipate magical things from this cup and if so they’ve quite missed the point of Christ. Christ came as Savior, not Stuntman.
see post 27 for the best detail of the photo I could find.
thats NOT hebrew lettering
Roman Yes Hebrew Nope!